A 1200-Kg Car Is Being Raised at a Constant Speed

Multiple Choice

A 1200-kg car is being raised at a constant speed by a crane, using a 20-m long steel cable, 1.50 cm in diameter. Young's modulus for steel is 20 × 10¹⁰ N/m². What is the change in length of the cable?

A) 6.7 mm
B) 6.7 cm
C) 3.3 mm
D) 3.3 cm
E) 3.3 m